St. Lucie County, FL Noise Ordinances: Quiet Hours (2026)
Quiet hours in St. Lucie County, FL, also called the noise ordinance, nighttime noise rules, or residential quiet time, define the hours during which excessive noise is prohibited.
Key Facts
- Residential day limit
- 60 dBA, 7 a.m.–10 p.m.
- Residential night limit
- 55 dBA, 10 p.m.–7 a.m.
- Measured at
- Receiving real property line
- County code
- St. Lucie Code § 28-110
- Port St. Lucie amplified curfew
- 10 p.m.–7 a.m. weekdays
Summary
Unincorporated St. Lucie County caps residential sound at 60 dBA from 7 a.m. to 10 p.m. and 55 dBA from 10 p.m. to 7 a.m. at the receiving property line (Code § 28-110). Port St. Lucie separately bars amplified sound in residential areas from 10 p.m. to 7 a.m.
No person shall cause, suffer, allow, or permit the operation of any sound source in such a manner as to create a sound level that exceeds the sound level limits set forth in the table... Residential 7:00 a.m.—10:00 p.m. 60 [dBA]; 10:00 p.m.—7:00 a.m. 55.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 32 | Land Development Code: Supplement 36).
Full Breakdown
Article V of Chapter 28 (Noise Control) governs the unincorporated county. Sec. 28-110 makes it unlawful to operate any sound source exceeding 60 dBA (daytime) or 55 dBA (nighttime) measured at the real property line of the nearest receiving residential property, using the slow response setting. Multifamily dwellings drop to 50 dBA day / 40 dBA night measured from a neighbor's unit; mixed-use buildings to 55/45. In incorporated Port St. Lucie, Chapter 94 sets Table I limits and Sec. 94.06(c) bars loudspeakers and amplifiers within or adjacent to residential areas from 10 p.m. to 7 a.m. on weekdays and 10 p.m. to 10 a.m. on weekends and holidays when plainly audible across the property line.
Violations & Fines
County violations are enforced by code compliance and the Sheriff under Code § 1-7. Port St. Lucie fines escalate: $50 first offense, $250 second, then a second-degree misdemeanor ($500 and/or up to 60 days).
Frequently Asked Questions
What are quiet hours in unincorporated St. Lucie County?
Are apartment noise limits stricter?
Sources & Official References
Other rules in St. Lucie County
How St. Lucie County compares: Cities with the Strictest Noise Ordinances·Florida rules heatmap·Compare St. Lucie County to another location·View the Florida noise ordinances overview
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